When the cabin portholes are dark and green
Because of the seas outside;
When the ship goes wop (with a wiggle between)
And the steward falls into the soup-tureen,
And the trunks begin to slide;
When nursey lies on the floor in a heap,
And Mummy tells you to let her sleep,
And you aren't waked or washed or dressed,
Why, then you will know (if you haven't guessed)
You're...